naa a22 4500 510820042 CHVBK 20180411083527.0 cr unu---uuuuu 180411e20130301xx s 000 0 eng 10.1007/s11814-012-0189-7 doi (NATIONALLICENCE)springer-10.1007/s11814-012-0189-7 Improved electrochemical performance of dye-sensitized solar cell via surface modifications of the working electrode by electrodeposition [Elektronische Daten] [Kang-Il Jang, Eunpyo Hong, Jung Kim] Modifications of the working electrode with TiO2 blocking or coating layers are carried by electrodeposition in TiCl3 precursor solution. The results suggest that the electrodeposited TiO2 blocking layer provides excellent agglutination between the FTO substrate and the active TiO2 layer. In addition, the electrodeposited TiO2 coating layer enhances the interconnections between the TiO2 nanoparticles and the FTO substrate, and therefore it increases the electron transport efficiency. The morphology and crystalline structure of the electrodeposited TiO2 layers are characterized by SEM, TEM, and XRD. The electrochemical impedance spectroscopy measurements show that the improved DSSC performance with the electrodeposited coating layer is mainly due to the increase in the lifetime of the conduction band electron in the TiO2 film. The photoelectron conversion efficiency of DSSC is increased from 3.47% to 5.38% by employing the TiO2 electrodeposited working electrode. Korean Institute of Chemical Engineers, Seoul, Korea, 2013 DSSC nationallicence TiO2 nationallicence Blocking Layer nationallicence Electrodeposition nationallicence Jang Kang-Il Department of Chemical Engineering, University of Seoul, 130-743, Seoul, Korea aut Hong Eunpyo Department of Chemical Engineering, University of Seoul, 130-743, Seoul, Korea aut Kim Jung Department of Chemical Engineering, University of Seoul, 130-743, Seoul, Korea aut Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/3(2013-03-01), 620-625 0256-1115 30:3<620 2013 30 11814 https://doi.org/10.1007/s11814-012-0189-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s11814-012-0189-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Jang Kang-Il Department of Chemical Engineering, University of Seoul, 130-743, Seoul, Korea aut NATIONALLICENCE 700 1- Hong Eunpyo Department of Chemical Engineering, University of Seoul, 130-743, Seoul, Korea aut NATIONALLICENCE 700 1- Kim Jung Department of Chemical Engineering, University of Seoul, 130-743, Seoul, Korea aut NATIONALLICENCE 773 0- Korean Journal of Chemical Engineering Springer US; http://www.springer-ny.com 30/3(2013-03-01), 620-625 0256-1115 30:3<620 2013 30 11814 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer